雌鳥 © Paul Arneson
未成鳥 © Holger Teichmann
雄鳥 © José Frade
雄鳥 © Carlos Echeverría
+ 2
© Richard Garrigues

Yellow-faced Grassquit Tiaris olivaceus

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辨識

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Very small bird of grassy and weedy areas in tropical and subtropical areas. Male is striking, with rich yellow eyebrow and throat set off by a black face and breast; extent of black on breast variable (less extensive on Cozumel Island birds). Female is notably drab olive overall but shows a ghosting of male’s face pattern; note the conical gray bill, unlike the stubby bill of seedeaters and female buntings.

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